Habitat.—Prefers rich, moist soil.
Notes.—A less common and less valuable tree than its near relative next described.
BLACK WALNUT
Juglans nigra, L.
Form.—Height 60-100 feet, diameter 2-6 feet; trunk usually straight and clean; crown round and very open.
Leaves.—Alternate, compound, 1-2 feet long, 13-23 leaflets, 3-3½ inches long, 1-1¼ inches broad, sharply serrate, long, sharp-pointed, yellow-green and smooth above, paler and pubescent beneath.
Flowers.—May, with half developed leaves; monoecious; staminate flowers in long, greenish, drooping catkins; the pistillate single or several in a spike.
Fruit.—Matures in autumn, nut round, very rough, 1-2 inches in diameter; husk thick, rough; kernel sweet, edible, oily.